1280968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 2633400

約数和(自身を除く): 1352432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 113, 218, 226, 436, 452, 872, 904, 1417, 1469, 2834, 2938, 5668, 5876, 11336, 11752, 12317, 24634, 49268, 98536, 160121, 320242, 640484, 1280968]

約数ペア:

[(1, 1280968), (2, 640484), (4, 320242), (8, 160121), (13, 98536), (26, 49268), (52, 24634), (104, 12317), (109, 11752), (113, 11336), (218, 5876), (226, 5668), (436, 2938), (452, 2834), (872, 1469), (904, 1417)]